/* styles.css */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: Arial, sans-serif;
    background-color: #f4f4f9;
    color: #333;
    text-align: center;
}

header {
    background-color: #4CAF50;
    color: white;
    padding: 20px;
    text-align: center;
}

h1 {
    font-size: 2.5em;
}

main {
    padding: 20px;
}

.course-buttons {
    margin: 20px 0;
}

button {
    padding: 10px 20px;
    font-size: 1.2em;
    margin: 10px;
    cursor: pointer;
    border: none;
    border-radius: 5px;
    background-color: #4CAF50;
    color: white;
    transition: background-color 0.3s;
}

button:hover {
    background-color: #45a049;
}

section {
    margin: 40px 0;
    padding: 20px;
    background-color: white;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

h2 {
    font-size: 1.8em;
    color: #4CAF50;
}

footer {
    background-color: #333;
    color: white;
    padding: 10px;
    margin-top: 20px;
}

footer p {
    font-size: 0.9em;
}